Freeman, H. E., & Jones, W. C. (1971). Social problems: Causes and controls. Chicago, III.: R. McNally.
Citación estilo ChicagoFreeman, Howard E., y Wyatt C. Jones. Social Problems: Causes and Controls. Chicago, III.: R. McNally, 1971.
Cita MLAFreeman, Howard E., y Wyatt C. Jones. Social Problems: Causes and Controls. Chicago, III.: R. McNally, 1971.
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